core: Add useful headers to core.h

This way we don't need to keep including the same core libraries in
almost every file.

Implements #83: Include useful headers in core/core.h
Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>

core/core.c

@@ -2,10 +2,6 @@
  * Copyright 2014 (c) Anna Schumaker.
  */
 #include <core/core.h>
-#include <core/idle.h>
-#include <core/settings.h>
-#include <core/tags/tags.h>
-
 
 static bool core_defragment(void *data)
 {

gui/ocarina.c

@@ -2,7 +2,6 @@
  * Copyright 2014 (c) Anna Schumaker.
  */
 #include <core/core.h>
-#include <core/audio.h>
 #include <gui/audio.h>
 #include <gui/builder.h>
 #include <gui/filter.h>

include/core/core.h

@@ -4,8 +4,10 @@
 #ifndef OCARINA_CORE_CORE_H
 #define OCARINA_CORE_CORE_H
 #include <core/audio.h>
-#include <core/playlist.h>
 #include <core/idle.h>
+#include <core/playlist.h>
+#include <core/settings.h>
+#include <core/tags/tags.h>
 #include <stdbool.h>
 
 /* Called to initialize all core Ocarina components. */

tests/core/audio.c

@@ -1,9 +1,6 @@
 /*
  * Copyright 2013 (c) Anna Schumaker.
  */
-#include <core/audio.h>
-#include <core/idle.h>
-#include <core/playlist.h>
 #include <core/core.h>
 #include <tests/test.h>
 

tests/gui/artwork.c

@@ -1,9 +1,7 @@
 /*
  * Copyright 2016 (c) Anna Schumaker.
  */
-#include <core/audio.h>
 #include <core/core.h>
-#include <core/idle.h>
 #include <gui/artwork.h>
 #include <gui/filter.h>
 #include <gui/model.h>

tests/gui/audio.c

@@ -1,10 +1,7 @@
 /*
  * Copyright 2015 (c) Anna Schumaker.
  */
-#include <core/audio.h>
 #include <core/core.h>
-#include <core/idle.h>
-#include <core/playlist.h>
 #include <core/string.h>
 #include <gui/audio.h>
 #include <gui/builder.h>

tests/gui/filter.c

@@ -1,9 +1,7 @@
 /*
  * Copyright 2016 (c) Anna Schumaker.
  */
-#include <core/audio.h>
 #include <core/core.h>
-#include <core/idle.h>
 #include <gui/filter.h>
 #include <gui/model.h>
 #include <gui/window.h>

tests/gui/model.c

@@ -1,10 +1,7 @@
 /*
  * Copyright 2016 (c) Anna Schumaker.
  */
-#include <core/audio.h>
-#include <core/idle.h>
 #include <core/core.h>
-#include <core/playlist.h>
 #include <gui/builder.h>
 #include <gui/model.h>
 #include <tests/test.h>

tests/gui/playlist.c

@@ -2,8 +2,6 @@
  * Copyright 2016 (c) Anna Schumaker.
  */
 #include <core/core.h>
-#include <core/idle.h>
-#include <core/settings.h>
 #include <gui/filter.h>
 #include <gui/model.h>
 #include <gui/playlist.h>

tests/gui/playlists/artist.c

@@ -2,7 +2,6 @@
  * Copyright 2016 (c) Anna Schumaker.
  */
 #include <core/core.h>
-#include <core/idle.h>
 #include <gui/builder.h>
 #include <gui/filter.h>
 #include <gui/model.h>

tests/gui/playlists/library.c

@@ -2,7 +2,6 @@
  * Copyright 2016 (c) Anna Schumaker.
  */
 #include <core/core.h>
-#include <core/idle.h>
 #include <gui/builder.h>
 #include <gui/filter.h>
 #include <gui/model.h>

tests/gui/playlists/system.c

@@ -1,9 +1,7 @@
 /*
  * Copyright 2016 (c) Anna Schumaker.
  */
-#include <core/audio.h>
 #include <core/core.h>
-#include <core/idle.h>
 #include <gui/filter.h>
 #include <gui/model.h>
 #include <gui/playlist.h>

tests/gui/playlists/user.c

@@ -2,7 +2,6 @@
  * Copyright 2016 (c) Anna Schumaker.
  */
 #include <core/core.h>
-#include <core/idle.h>
 #include <gui/builder.h>
 #include <gui/filter.h>
 #include <gui/model.h>

tests/gui/sidebar.c

@@ -2,8 +2,6 @@
  * Copyright 2015 (c) Anna Schumaker.
  */
 #include <core/core.h>
-#include <core/idle.h>
-#include <core/settings.h>
 #include <gui/filter.h>
 #include <gui/model.h>
 #include <gui/sidebar.h>

tests/gui/treeview.c

@@ -1,10 +1,7 @@
 /*
  * Copyright 2016 (c) Anna Schumaker.
  */
-#include <core/audio.h>
 #include <core/core.h>
-#include <core/idle.h>
-#include <core/settings.h>
 #include <gui/filter.h>
 #include <gui/model.h>
 #include <gui/treeview.h>